Keyhole saw



FIG. 1 is a front elevational view of a keyhole saw showing my newdesign;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is an fragmentary rear elevational view of the saw tip, shown onan enlarged scale; and,

FIG. 8 is an fragmentary bottom plan view of the saw tip, shown on anenlarged scale.

The ornamental design for a keyhole saw, as shown and described.